Add test_shape_stats #8054

src/ifcopenshell-python/test/test_shape_stats.py

@@ -0,0 +1,29 @@
+import csv
+
+import pytest
+
+import ifcopenshell
+import ifcopenshell.geom
+import ifcopenshell.util.shape
+
+from pathlib import Path
+
+repo_root = Path(__file__).resolve().parent.parent.parent.parent
+test_files = repo_root / 'test' / 'input' / 'tests'
+
+settings = ifcopenshell.geom.settings()
+
+testdata = list(csv.reader((test_files / 'data.csv').open(newline='')))[1:]
+
+print(testdata)
+
+@pytest.mark.parametrize("fn,area,volume", testdata)
+def test_conversion(fn, area, volume):
+    f = ifcopenshell.open(test_files / fn)
+    elem = next(inst for inst in f.by_type('IfcElement') if not inst.is_a('IfcOpeningElement'))
+    for kernel in ('manifold', 'opencascade', 'cgal'):
+        shp = ifcopenshell.geom.create_shape(settings, elem, geometry_library=kernel)
+        if area:
+            assert pytest.approx(float(area), rel=0.05) == ifcopenshell.util.shape.get_area(shp.geometry)
+        if volume:
+            assert pytest.approx(float(volume), rel=0.02) == ifcopenshell.util.shape.get_volume(shp.geometry)